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ICD-10-CM 2027 diagnosis code

W20.8XXAOther cause of strike by thrown, projected or falling object, initial encounter

✓ Billable / specificRequires 7th character

W20.8XXA is a valid, billable ICD-10-CM code for other cause of strike by thrown, projected or falling object, initial encounter. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: Oth cause of strike by thrown, projected or fall obj, init

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About W20.8XXA

W20.8XXA is the ICD-10-CM diagnosis code for other cause of strike by thrown, projected or falling object, initial encounter. It belongs to category W20 (struck by thrown, projected or falling object), block W20-W49 (exposure to inanimate mechanical forces) and chapter 20 (external causes of morbidity). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.

The 7th character "A" means initial encounter: use it while the patient is receiving active treatment for the condition.

Code first any associated: cataclysm (X34-X39) and lightning strike (T75.00).

It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Before ICD-10, this condition was coded in ICD-9-CM as E916 (struck accidentally by falling object).

7th character

Ainitial encounter

Other encounter types for W20.8:

Notes that apply from higher levels

Instructions written at a parent level also apply to W20.8XXA.

› From W20.8 Other cause of strike by thrown, projected or falling object
Excludes1
  • struck by thrown sports equipment (W21.-)
› From W20 Struck by thrown, projected or falling object
Excludes1
  • falling object in machinery accident (W24, W28-W31)
  • falling object in transport accident (V01-V99)
  • object set in motion by explosion (W35-W40)
  • object set in motion by firearm (W32-W34)
  • struck by thrown sports equipment (W21.-)
Code first

Broader instructions also apply from W20-W49 Exposure to inanimate mechanical forces and Chapter 20: External causes of morbidity.

ICD-9-CM equivalent

Converter →
  • E916Struck accidentally by falling objectapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about W20.8XXA

Is W20.8XXA billable?

Yes. W20.8XXA is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

What does the "A" at the end of W20.8XXA mean?

It is the 7th character for initial encounter. Per the official guidelines, use it while the patient is receiving active treatment for the condition.

Can W20.8XXA be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict W20.8XXA as a principal diagnosis.

Is W20.8XXA a CC or MCC?

No. W20.8XXA is neither a CC nor an MCC under MS-DRG v44.0.

What is the ICD-9 code for W20.8XXA?

The CMS General Equivalence Mappings map W20.8XXA to ICD-9-CM E916.